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From Andrei Savu <savu.and...@gmail.com>
Subject Re: trouble reaching ec-2 instance
Date Thu, 08 Dec 2011 12:53:13 GMT
Inline.

On Thu, Dec 8, 2011 at 12:58 AM, Periya.Data <periya.data@gmail.com> wrote:

> Hi All,
>     I am seeing a problem which has been reported earlier a few times,
> but, I do not know the solution yet. I am unable to run "hadoop fs -ls /"
> successfully "most" of the time from my laptop.
>
> Some specs:
> -----------------------
> - My laptop :
> Ubuntu 11.10 Oneiric Ocelot
> Hadoop-0.20.2-cdh3u2
> Apache Whirr 0.5.0-cdh3u2
>

The latest release is 0.6.0. You can download from here:
 http://www.apache.org/dyn/closer.cgi/incubator/whirr/


>
> EC2 instance: Ubuntu 10.04 32-bit LTS


> *On term-1, I ran the proxy:*
> sri@PeriyaData:~$ . ~/.whirr/HadoopDemo/hadoop-proxy.sh
> Running proxy to Hadoop cluster at
> ec2-174-129-76-176.compute-1.amazonaws.com. Use Ctrl-c to quit.
> Warning: Permanently added 'ec2-174-129-76-176.compute-1.amazonaws.com,174.129.76.176'
> (RSA) to the list of known hosts.
>
>
> *On term-2, I exported conf-dir and did "hadoop fs - ls /"*
> sri@PeriyaData:~$ export HADOOP_CONF_DIR=~/.whirr/JTVHadoopDemo/
> sri@PeriyaData:~$ hadoop fs -ls /
> 11/12/07 13:43:18 WARN conf.Configuration: DEPRECATED: hadoop-site.xml
> found in the classpath. Usage of hadoop-site.xml is deprecated. Instead use
> core-site.xml, mapred-site.xml and hdfs-site.xml to override properties of
> core-default.xml, mapred-default.xml and hdfs-default.xml respectively
> Bad connection to FS. command aborted. exception: Call to
> ec2-174-129-76-176.compute-1.amazonaws.com/174.129.76.176:8020 failed on
> local exception: java.io.EOFException


Try with Whirr 0.6.0 - I am not sure if 0.5.0 install the latest CDH
release.


> Attached: Namenode and Jobtracker logs.
>
> The reason why initially mentioned "mostly" is because I was able to run
> this command successfully one time, but, since I was switching AMIs, I do
> not remember.
>

The AMI should be fine. I suspect this is either a version mistmatch or a
local environment issue.


>

Also, along the same lines, I am unable to use proxy on Firefox..even after
> I ran the hadoop-proxy.sh and loaded the PAC file. Unable to view the
> "browse the filesystem" link from the dfshealth.jsp page. Not sure if this
> problem is a related one.
>

How does a broken link look like?


>
> Thanks,
> PD.
>
>

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